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Bismuth Isotopes






Proton number: 83


Stable Isotopes


Bismuth stable isotope number 1: 209Bi
Neutrons: 126;
Abundance: 100%;
Jn: 9/2-;

Natural Radioactive isotopes

There is no Bismuth Natural Radioactive isotopes known

Artificial Radioactive isotopes


Bismuth radioactive isotope number 1: 184Bi
Neutrons: 101;
Jn: Unknown;
Decay: α ~ 100.00 %
α ~ 100.00 %;
t1/2: 0.0066s ≈ 6.60 ms;

Bismuth radioactive isotope number 2: 185Bi
Neutrons: 102;
Jn: 1/2+;
Decay: p : 90.00 %
α : 10.00 %;
t1/2: 5.8E-05s ≈ 58.00 µs;

Bismuth radioactive isotope number 3: 186Bi
Neutrons: 103;
Jn: 3+;
Decay: α ~ 100.00 %;
t1/2: 0.015s ≈ 15.00 ms;

Bismuth radioactive isotope number 4: 186Bi
Neutrons: 103;
Jn: 10-;
Decay: α ~ 100.00 %;
t1/2: 0.0098s ≈ 9.80 ms;

Bismuth radioactive isotope number 5: 187Bi
Neutrons: 104;
Jn: 9/2-;
Decay: α : 100.00 %;
t1/2: 0.032s ≈ 32.00 ms;

Bismuth radioactive isotope number 6: 188Bi
Neutrons: 105;
Jn: 10-;
Decay: α : 100.00 %;
t1/2: 0.265s ;

Bismuth radioactive isotope number 7: 188Bi
Neutrons: 105;
Jn: 3+;
Decay: α : 100.00 %
ε ?;
t1/2: 0.06s ≈ 60.00 ms;

Bismuth radioactive isotope number 8: 188Bi
Neutrons: 105;
Jn: 10-;
Decay: ε ? ;
t1/2: 0.265s ;

Bismuth radioactive isotope number 9: 189Bi
Neutrons: 106;
Jn: 9/2-;
Decay: α > 50.00 %
ε < 50.00 %;
t1/2: 0.674s ;

Bismuth radioactive isotope number 10: 189Bi
Neutrons: 106;
Jn: 1/2+;
Decay: α > 50.00 %
ε < 50.00 %;
t1/2: 0.005s ≈ 5.00 ms;

Bismuth radioactive isotope number 11: 190Bi
Neutrons: 107;
Jn: 3+;
Decay: α : 90.00 %;
t1/2: 6.3s ;

Bismuth radioactive isotope number 12: 190Bi
Neutrons: 107;
Jn: 10-;
Decay: α : 70.00 %
ε : 30.00 %;
t1/2: 6.2s ;

Bismuth radioactive isotope number 13: 190Bi
Neutrons: 107;
Jn: 3+;
Decay: ε : 10.00 %;
t1/2: 6.3s ;

Bismuth radioactive isotope number 14: 191Bi
Neutrons: 108;
Jn: 9/2-;
Decay: α : 51.00 %
ε : 49.00 %;
t1/2: 12.4s ;

Bismuth radioactive isotope number 15: 191Bi
Neutrons: 108;
Jn: 1/2+;
Decay: α : 68.00 %
ε : 32.00 %;
t1/2: 0.121s ;

Bismuth radioactive isotope number 16: 192Bi
Neutrons: 109;
Jn: 3+;
Decay: ε : 88.00 %
α : 12.00 %;
t1/2: 34.6s ;

Bismuth radioactive isotope number 17: 192Bi
Neutrons: 109;
Jn: 10-;
Decay: ε : 90.00 %
α : 10.00 %;
t1/2: 39.6s ;

Bismuth radioactive isotope number 18: 193Bi
Neutrons: 110;
Jn: 9/2-;
Decay: ε : 96.50 %
α : 3.50 %;
t1/2: 63.6s ;

Bismuth radioactive isotope number 19: 193Bi
Neutrons: 110;
Jn: 1/2+;
Decay: α : 84.00 %
ε : 16.00 %;
t1/2: 3.2s ;

Bismuth radioactive isotope number 20: 194Bi
Neutrons: 111;
Jn: 3+;
Decay: ε : 99.54 %
α : 0.46 %;
t1/2: 95s ;

Bismuth radioactive isotope number 21: 194Bi
Neutrons: 111;
Jn: 6+,7+;
Decay: ε : 100.00 %;
t1/2: 125s ≈ 2.08 m;

Bismuth radioactive isotope number 22: 194Bi
Neutrons: 111;
Jn: 10-;
Decay: ε : 99.80 % α : 0.20 %;
t1/2: 115s ;

Bismuth radioactive isotope number 23: 195Bi
Neutrons: 112;
Jn: 9/2-;
Decay: ε : 99.97 %
α : 0.03 %;
t1/2: 183s ≈ 3.05 m;

Bismuth radioactive isotope number 24: 195Bi
Neutrons: 112;
Jn: 1/2+;
Decay: ε : 67.00 %
α : 33.00 %;
t1/2: 87s ;

Bismuth radioactive isotope number 25: 196Bi
Neutrons: 113;
Jn: 3+;
Decay: ε ~ 100.00 %
α : 1.2E-3 %;
t1/2: 308s ≈ 5.13 m;

Bismuth radioactive isotope number 26: 196Bi
Neutrons: 113;
Jn: 7+;
Decay: IT
ε;
t1/2: 0.6s ;

Bismuth radioactive isotope number 27: 196Bi
Neutrons: 113;
Jn: 10-;
Decay: ε : 74.20 %
IT : 25.80 %
α : 3.8E-4 %;
t1/2: 240s ≈ 4.00 m;

Bismuth radioactive isotope number 28: 197Bi
Neutrons: 114;
Jn: 9/2-;
Decay: ε : 100.00 %
α : 1.0E-4 %;
t1/2: 559.8s ≈ 9.33 m;

Bismuth radioactive isotope number 29: 197Bi
Neutrons: 114;
Jn: 1/2+;
Decay: α : 55.00 %
ε : 45.00 %
IT < 0.30 %;
t1/2: 302.4s ≈ 5.04 m;

Bismuth radioactive isotope number 30: 198Bi
Neutrons: 115;
Jn: 2+,3+;
Decay: ε : 100.00 %;
t1/2: 618s ≈ 10.30 m;

Bismuth radioactive isotope number 31: 198Bi
Neutrons: 115;
Jn: 7+;
Decay: ε : 100.00 %;
t1/2: 696s ≈ 11.60 m;

Bismuth radioactive isotope number 32: 198Bi
Neutrons: 115;
Jn: 10-;
Decay: IT : 100.00 %;
t1/2: 7.7s ;

Bismuth radioactive isotope number 33: 199Bi
Neutrons: 116;
Jn: 9/2-;
Decay: ε : 100.00 %;
t1/2: 1620s ≈ 27.00 m;

Bismuth radioactive isotope number 34: 199Bi
Neutrons: 116;
Jn: 1/2+;
Decay: ε : 99.00 %
IT ≤ 2.00 %
α ~ 0.01 %;
t1/2: 1482s ≈ 24.70 m;

Bismuth radioactive isotope number 35: 200Bi
Neutrons: 117;
Jn: 7+;
Decay: ε : 100.00 %;
t1/2: 2184s ≈ 36.40 m;

Bismuth radioactive isotope number 36: 200Bi
Neutrons: 117;
Jn: 2+;
Decay: ε > 90.00 %
IT < 10.00 %;
t1/2: 1860s ≈ 31.00 m;

Bismuth radioactive isotope number 37: 200Bi
Neutrons: 117;
Jn: 10-;
Decay: IT : 100.00 %;
t1/2: 0.4s ;

Bismuth radioactive isotope number 38: 201Bi
Neutrons: 118;
Jn: 9/2-;
Decay: ε : 100.00 %;
t1/2: 6180s ≈ 1.72 h;

Bismuth radioactive isotope number 39: 201Bi
Neutrons: 118;
Jn: 1/2+;
Decay: ε > 91.10 %
IT ≤ 8.60 %
α ~ 0.30 %;
t1/2: 3450s ≈ 57.50 m;

Bismuth radioactive isotope number 40: 202Bi
Neutrons: 119;
Jn: 5+;
Decay: ε : 100.00 %
α < 1.0E-5 %;
t1/2: 6192s ≈ 1.72 h;

Bismuth radioactive isotope number 41: 203Bi
Neutrons: 120;
Jn: 9/2-;
Decay: ε : 100.00 %;
t1/2: 42336s ≈ 11.76 h;

Bismuth radioactive isotope number 42: 203Bi
Neutrons: 120;
Jn: 1/2+;
Decay: IT : 100.00 %;
t1/2: 0.305s ;

Bismuth radioactive isotope number 43: 204Bi
Neutrons: 121;
Jn: 6+;
Decay: ε : 100.00 %;
t1/2: 40392s ≈ 11.22 h;

Bismuth radioactive isotope number 44: 205Bi
Neutrons: 122;
Jn: 9/2-;
Decay: ε : 100.00 %;
t1/2: 1322784s ≈ 15.31 d;

Bismuth radioactive isotope number 45: 206Bi
Neutrons: 123;
Jn: 6+;
Decay: ε : 100.00 %;
t1/2: 539395.2s ≈ 6.24 d;

Bismuth radioactive isotope number 46: 207Bi
Neutrons: 124;
Jn: 9/2-;
Decay: ε : 100.00 %;
t1/2: 1037534000s ≈ 32.90 y;

Bismuth radioactive isotope number 47: 208Bi
Neutrons: 125;
Jn: 5+;
Decay: ε : 100.00 %;
t1/2: 1.160525E+13s ≈ 3.680001e+5 y;

Bismuth radioactive isotope number 48: 210Bi
Neutrons: 127;
Jn: 1-;
Decay: β - : 100.00 %
α : 1.3E-4 %;
t1/2: 433036.8s ≈ 5.01 d;

Bismuth radioactive isotope number 49: 210Bi
Neutrons: 127;
Jn: 9-;
Decay: α : 100.00 %;
t1/2: 9.586944E+13s ≈ 3.040000e+6 y;

Bismuth radioactive isotope number 50: 211Bi
Neutrons: 128;
Jn: 9/2-;
Decay: α : 99.72 %
β - : 0.28 %;
t1/2: 128.4s ≈ 2.14 m;

Bismuth radioactive isotope number 51: 212Bi
Neutrons: 129;
Jn: 1-;
Decay: β - : 64.06 %
α : 35.94 %;
t1/2: 3633s ≈ 1.01 h;

Bismuth radioactive isotope number 52: 212Bi
Neutrons: 129;
Jn: 8-,9-;
Decay: α : 67.00 %
β - : 33.00 %
β -α : 30.00 %;
t1/2: 1500s ≈ 25.00 m;

Bismuth radioactive isotope number 53: 212Bi
Neutrons: 129;
Jn: |>16;
Decay: β - ~ 100.00 %;
t1/2: 420s ≈ 7.00 m;

Bismuth radioactive isotope number 54: 213Bi
Neutrons: 130;
Jn: 9/2-;
Decay: β - : 97.91 %
α : 2.09 %;
t1/2: 2735.4s ≈ 45.59 m;

Bismuth radioactive isotope number 55: 214Bi
Neutrons: 131;
Jn: 1-;
Decay: β - : 99.98 %
α : 0.02 %;
t1/2: 1194s ≈ 19.90 m;

Bismuth radioactive isotope number 56: 215Bi
Neutrons: 132;
Jn: 9/2-;
Decay: β - : 100.00 %;
t1/2: 456s ≈ 7.60 m;

Bismuth radioactive isotope number 57: 215Bi
Neutrons: 132;
Jn: 25/2-;
Decay: IT
β -;
t1/2: 36.4s ;

Bismuth radioactive isotope number 58: 216Bi
Neutrons: 133;
Jn: 1-;
Decay: β - ≤ 100.00 %;
t1/2: 130.2s ≈ 2.17 m;

Bismuth radioactive isotope number 59: 217Bi
Neutrons: 134;
Jn: Unknown;
Decay: β - : 100.00 %;
t1/2: 98.5s ;

Bismuth radioactive isotope number 60: 218Bi
Neutrons: 135;
Jn: Unknown;
Decay: β - : 100.00 %;
t1/2: 33s ;
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